1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.core5.http2.config;
28
29 /**
30 * HTTP/2 protocol parameters.
31 *
32 * @since 5.0
33 */
34 public enum H2Param {
35
36 HEADER_TABLE_SIZE (0x1),
37 ENABLE_PUSH (0x2),
38 MAX_CONCURRENT_STREAMS (0x3),
39 INITIAL_WINDOW_SIZE (0x4),
40 MAX_FRAME_SIZE (0x5),
41 MAX_HEADER_LIST_SIZE (0x6);
42
43 int code;
44
45 H2Param(final int code) {
46 this.code = code;
47 }
48
49 public int getCode() {
50 return code;
51 }
52
53 private static final H2Paramg/H2Param.html#H2Param">H2Param[] LOOKUP_TABLE = new H2Param[6];
54 static {
55 for (final H2Param param: H2Param.values()) {
56 LOOKUP_TABLE[param.code - 1] = param;
57 }
58 }
59
60 public static H2Param valueOf(final int code) {
61 if (code < 1 || code > LOOKUP_TABLE.length) {
62 return null;
63 }
64 return LOOKUP_TABLE[code - 1];
65 }
66
67 public static String toString(final int code) {
68 if (code < 1 || code > LOOKUP_TABLE.length) {
69 return Integer.toString(code);
70 }
71 return LOOKUP_TABLE[code - 1].name();
72 }
73
74 }